The theory of scattering of neutrinos and antineutrinos by bound electrons which maintains the full
collision dynamics has recently been developed [1]}. The scattering is
formulated in configuation space using the Bound Interaction Picture [2]}, [3]},
rather than the usual formulation in the Interaction Picture in momentum space as appropriate to
scattering by free electrons.
The energy spectra of ionization electrons produced by scattering of neutrinos and antineutrinos
with energies of 5, 10, 20, and 30 keV by hydrogen, helium and neon were calculated
using Dirac screened Coulombic eigenfunctions. The results were significantly different to those
of [4]} and indicated that binding effects from both the initial bound state and
the final continuum state are important.
